/*
 * Copyright 2010-2016 OrientDB LTD (http://orientdb.com)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.orientechnologies.orient.test.internal.network;

import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.OutputStream;
import java.net.Socket;
import java.net.UnknownHostException;

/**
 * TcpClient.java
 *
 * <p>This class works in conjunction with TcpServer.java and TcpPayload.java
 *
 * <p>This client test class connects to server class TcpServer, and in response, it receives a
 * serialized an instance of TcpPayload.
 */
public class TcpClient {
  public static final String SERVER_HOSTNAME = "localhost";
  public static final int COMM_PORT = 5050; // socket port for client comms

  private Socket socket;

  /** Default constructor. */
  public TcpClient() {
    long transferred = 0;
    long date = System.currentTimeMillis();

    try {
      this.socket = new Socket(SERVER_HOSTNAME, COMM_PORT);
      this.socket.setSendBufferSize(65000);
      InputStream iStream = this.socket.getInputStream();
      ObjectInputStream oiStream = new ObjectInputStream(iStream);

      OutputStream oStream = this.socket.getOutputStream();
      ObjectOutputStream ooStream = new ObjectOutputStream(oStream);

      int i = 0;
      byte[] buffer = null;
      while (true) {
        int size = oiStream.readInt();
        transferred += 4;

        if (size == 0) break;

        ++i;

        if (i > 10 && i % (1000000 / 10) == 0) System.out.print(".");

        buffer = new byte[size];
        oiStream.readFully(buffer);
        transferred += size;

        ooStream.writeByte(0);
        ooStream.flush();
        oStream.flush();
      }
    } catch (UnknownHostException uhe) {
      System.out.println("Don't know about host: " + SERVER_HOSTNAME);
    } catch (IOException ioe) {
      System.out.println(
          "Couldn't get I/O for the connection to: " + SERVER_HOSTNAME + ":" + COMM_PORT);
    } finally {
      System.out.println(
          "Transferred total MB: "
              + (float) transferred / 1000000
              + " in "
              + (System.currentTimeMillis() - date)
              + "ms");
    }
  }

  /** Run this class as an application. */
  public static void main(String[] args) {
    new TcpClient();
  }
}
